00900cam a22002651a 4500 332440 332440 10241676 NUST 20180117110837.0 851021s1952 iaua 000 0 eng 51003092 9814126527 (OCoLC)12697826 DLC OAU DLC premarc .S4 631.4 SCH Schwab, Glenn Orville, 1919- 6959 soil and water conservation engineering / Glenn O. Schwab, Richad K. Frevert 4th ed. New York: John Wiley ., 2002.. 507 p. : ill. ; 22 cm. P.B Soil conservation. 6960 Water conservation. 5903 Surveying. 6961 Soil and water conservation engineering. 7 cbc oclcrpl u ncip 19 y-gencatlg ddc BK IESE 0 0 ddc 0 0 NFIC IESE IESE GEN 2017-12-06 0 631.4 SCH IESE-916 2017-12-06 2017-12-06 BK